Model: 578730

Helical Gear

Properties:

Body Style
Webbed, offset, solid
Attachment Method
Mounting hole
Pitch Diameter
1.6667 inches
Teeth Quantity
20
Bore Style
Plain both ends
Mounting Hole Type And Quantity
2 plain transversely through hub, first end
Outside Diameter
1.818 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
20.0000 degrees
Helix Angle
18.4333 degrees
Distance Between Body Face And Protruding Hub End
0.500 inches first end
Face Width
0.500 inches
Bore Diameter
0.375 inches both ends
Hub Style Designator
Pinned first end
Hub Style Designator
Plain second end
Hub Diameter
0.750 inches second end
Hub Diameter
1.125 inches first end
Precision Classification
Quality number 5 or quality number 6
Mounting Hole Diameter
0.094 inches transversely through hub, first end
Material
Plastic polyhexamethylene adipamide
Style Designator
One protruding hub, one flush hub
NSN
3020-01-106-1290
Part Number
578730
Description
Gear,helical
CAGE
19139

A gear, cylindrical in form, with teeth on the outer surface at an angle to the axis of the gear. See also gear, antibacklash, helical:

Part 578730 NSN 3020-01-106-1290

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05464
FIIG:
A27300
Concept No.:
1
App. Key:
AF
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
197339
UFC:
96710
LTL:
65.0
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8483409000
  • SITC: 74840
  • End Use: Industrial machines, other
  • NAICS: 333612
  • USDA: 1

Freight Class: Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately

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